81645597

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 135298240

約数和(自身を除く): 53652643

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 121, 201, 297, 363, 373, 603, 737, 1089, 1119, 1809, 2211, 3267, 3357, 4103, 6633, 8107, 10071, 12309, 19899, 24321, 24991, 36927, 45133, 72963, 74973, 110781, 135399, 218889, 224919, 274901, 406197, 674757, 824703, 1218591, 2474109, 3023911, 7422327, 9071733, 27215199, 81645597]

約数ペア:

[(1, 81645597), (3, 27215199), (9, 9071733), (11, 7422327), (27, 3023911), (33, 2474109), (67, 1218591), (99, 824703), (121, 674757), (201, 406197), (297, 274901), (363, 224919), (373, 218889), (603, 135399), (737, 110781), (1089, 74973), (1119, 72963), (1809, 45133), (2211, 36927), (3267, 24991), (3357, 24321), (4103, 19899), (6633, 12309), (8107, 10071)]