266983275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 490479024

約数和(自身を除く): 223495749

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 67, 75, 183, 195, 201, 305, 325, 335, 793, 871, 915, 975, 1005, 1525, 1675, 2379, 2613, 3965, 4087, 4355, 4489, 4575, 5025, 11895, 12261, 13065, 13467, 19825, 20435, 21775, 22445, 53131, 58357, 59475, 61305, 65325, 67335, 102175, 112225, 159393, 175071, 265655, 273829, 291785, 306525, 336675, 796965, 821487, 875355, 1328275, 1369145, 1458925, 3559777, 3984825, 4107435, 4376775, 6845725, 10679331, 17798885, 20537175, 53396655, 88994425, 266983275]

約数ペア:

[(1, 266983275), (3, 88994425), (5, 53396655), (13, 20537175), (15, 17798885), (25, 10679331), (39, 6845725), (61, 4376775), (65, 4107435), (67, 3984825), (75, 3559777), (183, 1458925), (195, 1369145), (201, 1328275), (305, 875355), (325, 821487), (335, 796965), (793, 336675), (871, 306525), (915, 291785), (975, 273829), (1005, 265655), (1525, 175071), (1675, 159393), (2379, 112225), (2613, 102175), (3965, 67335), (4087, 65325), (4355, 61305), (4489, 59475), (4575, 58357), (5025, 53131), (11895, 22445), (12261, 21775), (13065, 20435), (13467, 19825)]