205087481325

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{34981}}^1$

素因数の和:35435

約数の個数: 72

約数和(自身を含む): 373533878016

約数和(自身を除く): 168446396691

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 367, 639, 1065, 1101, 1775, 1835, 3195, 3303, 5325, 5505, 9175, 15975, 16515, 26057, 27525, 34981, 78171, 82575, 104943, 130285, 174905, 234513, 314829, 390855, 524715, 651425, 874525, 1172565, 1574145, 1954275, 2483651, 2623575, 5862825, 7450953, 7870725, 12418255, 12838027, 22352859, 37254765, 38514081, 62091275, 64190135, 111764295, 115542243, 186273825, 192570405, 320950675, 558821475, 577711215, 911499917, 962852025, 2734499751, 2888556075, 4557499585, 8203499253, 13672498755, 22787497925, 41017496265, 68362493775, 205087481325]

約数ペア:

[(1, 205087481325), (3, 68362493775), (5, 41017496265), (9, 22787497925), (15, 13672498755), (25, 8203499253), (45, 4557499585), (71, 2888556075), (75, 2734499751), (213, 962852025), (225, 911499917), (355, 577711215), (367, 558821475), (639, 320950675), (1065, 192570405), (1101, 186273825), (1775, 115542243), (1835, 111764295), (3195, 64190135), (3303, 62091275), (5325, 38514081), (5505, 37254765), (9175, 22352859), (15975, 12838027), (16515, 12418255), (26057, 7870725), (27525, 7450953), (34981, 5862825), (78171, 2623575), (82575, 2483651), (104943, 1954275), (130285, 1574145), (174905, 1172565), (234513, 874525), (314829, 651425), (390855, 524715)]