28346625

素因数分解:

$3^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 54063360

約数和(自身を除く): 25716735

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 125, 135, 185, 225, 227, 333, 375, 555, 675, 681, 925, 999, 1125, 1135, 1665, 2043, 2775, 3375, 3405, 4625, 4995, 5675, 6129, 8325, 8399, 10215, 13875, 17025, 24975, 25197, 28375, 30645, 41625, 41995, 51075, 75591, 85125, 124875, 125985, 153225, 209975, 226773, 255375, 377955, 629925, 766125, 1049875, 1133865, 1889775, 3149625, 5669325, 9448875, 28346625]

約数ペア:

[(1, 28346625), (3, 9448875), (5, 5669325), (9, 3149625), (15, 1889775), (25, 1133865), (27, 1049875), (37, 766125), (45, 629925), (75, 377955), (111, 255375), (125, 226773), (135, 209975), (185, 153225), (225, 125985), (227, 124875), (333, 85125), (375, 75591), (555, 51075), (675, 41995), (681, 41625), (925, 30645), (999, 28375), (1125, 25197), (1135, 24975), (1665, 17025), (2043, 13875), (2775, 10215), (3375, 8399), (3405, 8325), (4625, 6129), (4995, 5675)]