220047975

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{6653}}^1$

素因数の和:6686

約数の個数: 72

約数和(自身を含む): 470304720

約数和(自身を除く): 250256745

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 675, 735, 945, 1225, 1323, 1575, 2205, 3675, 4725, 6615, 6653, 11025, 19959, 33075, 33265, 46571, 59877, 99795, 139713, 166325, 179631, 232855, 299385, 325997, 419139, 498975, 698565, 898155, 977991, 1164275, 1257417, 1496925, 1629985, 2095695, 2933973, 3492825, 4490775, 4889955, 6287085, 8149925, 8801919, 10478475, 14669865, 24449775, 31435425, 44009595, 73349325, 220047975]

約数ペア:

[(1, 220047975), (3, 73349325), (5, 44009595), (7, 31435425), (9, 24449775), (15, 14669865), (21, 10478475), (25, 8801919), (27, 8149925), (35, 6287085), (45, 4889955), (49, 4490775), (63, 3492825), (75, 2933973), (105, 2095695), (135, 1629985), (147, 1496925), (175, 1257417), (189, 1164275), (225, 977991), (245, 898155), (315, 698565), (441, 498975), (525, 419139), (675, 325997), (735, 299385), (945, 232855), (1225, 179631), (1323, 166325), (1575, 139713), (2205, 99795), (3675, 59877), (4725, 46571), (6615, 33265), (6653, 33075), (11025, 19959)]