72791205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 122791680

約数和(自身を除く): 50000475

約数列:

[1, 3, 5, 15, 23, 69, 101, 115, 303, 345, 505, 1515, 2089, 2323, 6267, 6969, 10445, 11615, 31335, 34845, 48047, 144141, 210989, 240235, 632967, 720705, 1054945, 3164835, 4852747, 14558241, 24263735, 72791205]

約数ペア:

[(1, 72791205), (3, 24263735), (5, 14558241), (15, 4852747), (23, 3164835), (69, 1054945), (101, 720705), (115, 632967), (303, 240235), (345, 210989), (505, 144141), (1515, 48047), (2089, 34845), (2323, 31335), (6267, 11615), (6969, 10445)]