261442035

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 497218176

約数和(自身を除く): 235776141

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 61, 69, 101, 115, 123, 183, 205, 207, 303, 305, 345, 369, 505, 549, 615, 909, 915, 943, 1035, 1403, 1515, 1845, 2323, 2501, 2745, 2829, 4141, 4209, 4545, 4715, 6161, 6969, 7015, 7503, 8487, 11615, 12423, 12505, 12627, 14145, 18483, 20705, 20907, 21045, 22509, 30805, 34845, 37269, 37515, 42435, 55449, 57523, 62115, 63135, 92415, 95243, 104535, 112545, 141703, 172569, 186345, 252601, 277245, 285729, 287615, 425109, 476215, 517707, 708515, 757803, 857187, 862845, 1263005, 1275327, 1428645, 2125545, 2273409, 2588535, 3789015, 4285935, 5809823, 6376635, 11367045, 17429469, 29049115, 52288407, 87147345, 261442035]

約数ペア:

[(1, 261442035), (3, 87147345), (5, 52288407), (9, 29049115), (15, 17429469), (23, 11367045), (41, 6376635), (45, 5809823), (61, 4285935), (69, 3789015), (101, 2588535), (115, 2273409), (123, 2125545), (183, 1428645), (205, 1275327), (207, 1263005), (303, 862845), (305, 857187), (345, 757803), (369, 708515), (505, 517707), (549, 476215), (615, 425109), (909, 287615), (915, 285729), (943, 277245), (1035, 252601), (1403, 186345), (1515, 172569), (1845, 141703), (2323, 112545), (2501, 104535), (2745, 95243), (2829, 92415), (4141, 63135), (4209, 62115), (4545, 57523), (4715, 55449), (6161, 42435), (6969, 37515), (7015, 37269), (7503, 34845), (8487, 30805), (11615, 22509), (12423, 21045), (12505, 20907), (12627, 20705), (14145, 18483)]