31805586

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 71705088

約数和(自身を除く): 39899502

約数列:

[1, 2, 3, 6, 9, 18, 41, 71, 82, 123, 142, 213, 246, 369, 426, 607, 639, 738, 1214, 1278, 1821, 2911, 3642, 5463, 5822, 8733, 10926, 17466, 24887, 26199, 43097, 49774, 52398, 74661, 86194, 129291, 149322, 223983, 258582, 387873, 447966, 775746, 1766977, 3533954, 5300931, 10601862, 15902793, 31805586]

約数ペア:

[(1, 31805586), (2, 15902793), (3, 10601862), (6, 5300931), (9, 3533954), (18, 1766977), (41, 775746), (71, 447966), (82, 387873), (123, 258582), (142, 223983), (213, 149322), (246, 129291), (369, 86194), (426, 74661), (607, 52398), (639, 49774), (738, 43097), (1214, 26199), (1278, 24887), (1821, 17466), (2911, 10926), (3642, 8733), (5463, 5822)]