72197325

素因数分解:

$3^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 60

約数和(自身を含む): 135441108

約数和(自身を除く): 63243783

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 101, 135, 225, 303, 353, 405, 505, 675, 909, 1059, 1515, 1765, 2025, 2525, 2727, 3177, 4545, 5295, 7575, 8181, 8825, 9531, 13635, 15885, 22725, 26475, 28593, 35653, 40905, 47655, 68175, 79425, 106959, 142965, 178265, 204525, 238275, 320877, 534795, 714825, 891325, 962631, 1604385, 2673975, 2887893, 4813155, 8021925, 14439465, 24065775, 72197325]

約数ペア:

[(1, 72197325), (3, 24065775), (5, 14439465), (9, 8021925), (15, 4813155), (25, 2887893), (27, 2673975), (45, 1604385), (75, 962631), (81, 891325), (101, 714825), (135, 534795), (225, 320877), (303, 238275), (353, 204525), (405, 178265), (505, 142965), (675, 106959), (909, 79425), (1059, 68175), (1515, 47655), (1765, 40905), (2025, 35653), (2525, 28593), (2727, 26475), (3177, 22725), (4545, 15885), (5295, 13635), (7575, 9531), (8181, 8825)]