20211761475

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{6133}}^1$

素因数の和:6397

約数の個数: 72

約数和(自身を含む): 36822941792

約数和(自身を除く): 16611180317

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 151, 225, 291, 453, 485, 755, 873, 1359, 1455, 2265, 2425, 3775, 4365, 6133, 6795, 7275, 11325, 14647, 18399, 21825, 30665, 33975, 43941, 55197, 73235, 91995, 131823, 153325, 219705, 275985, 366175, 459975, 594901, 659115, 926083, 1098525, 1379925, 1784703, 2778249, 2974505, 3295575, 4630415, 5354109, 8334747, 8923515, 13891245, 14872525, 23152075, 26770545, 41673735, 44617575, 69456225, 89830051, 133852725, 208368675, 269490153, 449150255, 808470459, 1347450765, 2245751275, 4042352295, 6737253825, 20211761475]

約数ペア:

[(1, 20211761475), (3, 6737253825), (5, 4042352295), (9, 2245751275), (15, 1347450765), (25, 808470459), (45, 449150255), (75, 269490153), (97, 208368675), (151, 133852725), (225, 89830051), (291, 69456225), (453, 44617575), (485, 41673735), (755, 26770545), (873, 23152075), (1359, 14872525), (1455, 13891245), (2265, 8923515), (2425, 8334747), (3775, 5354109), (4365, 4630415), (6133, 3295575), (6795, 2974505), (7275, 2778249), (11325, 1784703), (14647, 1379925), (18399, 1098525), (21825, 926083), (30665, 659115), (33975, 594901), (43941, 459975), (55197, 366175), (73235, 275985), (91995, 219705), (131823, 153325)]