4390425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 9027200

約数和(自身を除く): 4636775

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 79, 95, 117, 171, 195, 225, 237, 247, 285, 325, 395, 475, 585, 711, 741, 855, 975, 1027, 1185, 1235, 1425, 1501, 1975, 2223, 2925, 3081, 3555, 3705, 4275, 4503, 5135, 5925, 6175, 7505, 9243, 11115, 13509, 15405, 17775, 18525, 19513, 22515, 25675, 37525, 46215, 55575, 58539, 67545, 77025, 97565, 112575, 175617, 231075, 292695, 337725, 487825, 878085, 1463475, 4390425]

約数ペア:

[(1, 4390425), (3, 1463475), (5, 878085), (9, 487825), (13, 337725), (15, 292695), (19, 231075), (25, 175617), (39, 112575), (45, 97565), (57, 77025), (65, 67545), (75, 58539), (79, 55575), (95, 46215), (117, 37525), (171, 25675), (195, 22515), (225, 19513), (237, 18525), (247, 17775), (285, 15405), (325, 13509), (395, 11115), (475, 9243), (585, 7505), (711, 6175), (741, 5925), (855, 5135), (975, 4503), (1027, 4275), (1185, 3705), (1235, 3555), (1425, 3081), (1501, 2925), (1975, 2223)]