25585875

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{19}}^2$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 57534048

約数和(自身を除く): 31948173

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 81, 95, 105, 125, 133, 135, 171, 175, 189, 225, 285, 315, 361, 375, 399, 405, 475, 513, 525, 567, 665, 675, 855, 875, 945, 1083, 1125, 1197, 1425, 1539, 1575, 1805, 1995, 2025, 2375, 2527, 2565, 2625, 2835, 3249, 3325, 3375, 3591, 4275, 4725, 5415, 5985, 7125, 7581, 7695, 7875, 9025, 9747, 9975, 10125, 10773, 12635, 12825, 14175, 16245, 16625, 17955, 21375, 22743, 23625, 27075, 29241, 29925, 37905, 38475, 45125, 48735, 49875, 53865, 63175, 64125, 68229, 70875, 81225, 89775, 113715, 135375, 146205, 149625, 189525, 192375, 204687, 243675, 269325, 315875, 341145, 406125, 448875, 568575, 731025, 947625, 1023435, 1218375, 1346625, 1705725, 2842875, 3655125, 5117175, 8528625, 25585875]

約数ペア:

[(1, 25585875), (3, 8528625), (5, 5117175), (7, 3655125), (9, 2842875), (15, 1705725), (19, 1346625), (21, 1218375), (25, 1023435), (27, 947625), (35, 731025), (45, 568575), (57, 448875), (63, 406125), (75, 341145), (81, 315875), (95, 269325), (105, 243675), (125, 204687), (133, 192375), (135, 189525), (171, 149625), (175, 146205), (189, 135375), (225, 113715), (285, 89775), (315, 81225), (361, 70875), (375, 68229), (399, 64125), (405, 63175), (475, 53865), (513, 49875), (525, 48735), (567, 45125), (665, 38475), (675, 37905), (855, 29925), (875, 29241), (945, 27075), (1083, 23625), (1125, 22743), (1197, 21375), (1425, 17955), (1539, 16625), (1575, 16245), (1805, 14175), (1995, 12825), (2025, 12635), (2375, 10773), (2527, 10125), (2565, 9975), (2625, 9747), (2835, 9025), (3249, 7875), (3325, 7695), (3375, 7581), (3591, 7125), (4275, 5985), (4725, 5415)]