31331475

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 69440000

約数和(自身を除く): 38108525

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 95, 105, 133, 135, 171, 175, 189, 225, 285, 315, 349, 399, 475, 513, 525, 665, 675, 855, 945, 1047, 1197, 1425, 1575, 1745, 1995, 2443, 2565, 3141, 3325, 3591, 4275, 4725, 5235, 5985, 6631, 7329, 8725, 9423, 9975, 12215, 12825, 15705, 17955, 19893, 21987, 26175, 29925, 33155, 36645, 46417, 47115, 59679, 61075, 65961, 78525, 89775, 99465, 109935, 139251, 165775, 179037, 183225, 232085, 235575, 298395, 329805, 417753, 497325, 549675, 696255, 895185, 1160425, 1253259, 1491975, 1649025, 2088765, 3481275, 4475925, 6266295, 10443825, 31331475]

約数ペア:

[(1, 31331475), (3, 10443825), (5, 6266295), (7, 4475925), (9, 3481275), (15, 2088765), (19, 1649025), (21, 1491975), (25, 1253259), (27, 1160425), (35, 895185), (45, 696255), (57, 549675), (63, 497325), (75, 417753), (95, 329805), (105, 298395), (133, 235575), (135, 232085), (171, 183225), (175, 179037), (189, 165775), (225, 139251), (285, 109935), (315, 99465), (349, 89775), (399, 78525), (475, 65961), (513, 61075), (525, 59679), (665, 47115), (675, 46417), (855, 36645), (945, 33155), (1047, 29925), (1197, 26175), (1425, 21987), (1575, 19893), (1745, 17955), (1995, 15705), (2443, 12825), (2565, 12215), (3141, 9975), (3325, 9423), (3591, 8725), (4275, 7329), (4725, 6631), (5235, 5985)]