18268425

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{1657}}^1$

素因数の和:1687

約数の個数: 54

約数和(自身を含む): 38085918

約数和(自身を除く): 19817493

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1575, 1657, 2205, 3675, 4971, 8285, 11025, 11599, 14913, 24855, 34797, 41425, 57995, 74565, 81193, 104391, 124275, 173985, 243579, 289975, 372825, 405965, 521955, 730737, 869925, 1217895, 2029825, 2609775, 3653685, 6089475, 18268425]

約数ペア:

[(1, 18268425), (3, 6089475), (5, 3653685), (7, 2609775), (9, 2029825), (15, 1217895), (21, 869925), (25, 730737), (35, 521955), (45, 405965), (49, 372825), (63, 289975), (75, 243579), (105, 173985), (147, 124275), (175, 104391), (225, 81193), (245, 74565), (315, 57995), (441, 41425), (525, 34797), (735, 24855), (1225, 14913), (1575, 11599), (1657, 11025), (2205, 8285), (3675, 4971)]