213702975

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{877}}^1$

素因数の和:934

約数の個数: 72

約数和(自身を含む): 414802320

約数和(自身を除く): 201099345

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 361, 475, 513, 675, 855, 877, 1083, 1425, 1805, 2565, 2631, 3249, 4275, 4385, 5415, 7893, 9025, 9747, 12825, 13155, 16245, 16663, 21925, 23679, 27075, 39465, 48735, 49989, 65775, 81225, 83315, 118395, 149967, 197325, 243675, 249945, 316597, 416575, 449901, 591975, 749835, 949791, 1249725, 1582985, 2249505, 2849373, 3749175, 4748955, 7914925, 8548119, 11247525, 14246865, 23744775, 42740595, 71234325, 213702975]

約数ペア:

[(1, 213702975), (3, 71234325), (5, 42740595), (9, 23744775), (15, 14246865), (19, 11247525), (25, 8548119), (27, 7914925), (45, 4748955), (57, 3749175), (75, 2849373), (95, 2249505), (135, 1582985), (171, 1249725), (225, 949791), (285, 749835), (361, 591975), (475, 449901), (513, 416575), (675, 316597), (855, 249945), (877, 243675), (1083, 197325), (1425, 149967), (1805, 118395), (2565, 83315), (2631, 81225), (3249, 65775), (4275, 49989), (4385, 48735), (5415, 39465), (7893, 27075), (9025, 23679), (9747, 21925), (12825, 16663), (13155, 16245)]