1865951031

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 3122380800

約数和(自身を除く): 1256429769

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 131, 133, 203, 393, 399, 551, 609, 917, 1231, 1653, 2489, 2751, 3693, 3799, 3857, 7467, 8617, 11397, 11571, 17423, 23389, 25851, 26593, 35699, 52269, 70167, 72181, 79779, 107097, 161261, 163723, 216543, 249893, 483783, 491169, 505267, 678281, 749679, 1128827, 1515801, 2034843, 3063959, 3386481, 4676569, 4747967, 9191877, 14029707, 14243901, 21447713, 32735983, 64343139, 88854811, 98207949, 266564433, 621983677, 1865951031]

約数ペア:

[(1, 1865951031), (3, 621983677), (7, 266564433), (19, 98207949), (21, 88854811), (29, 64343139), (57, 32735983), (87, 21447713), (131, 14243901), (133, 14029707), (203, 9191877), (393, 4747967), (399, 4676569), (551, 3386481), (609, 3063959), (917, 2034843), (1231, 1515801), (1653, 1128827), (2489, 749679), (2751, 678281), (3693, 505267), (3799, 491169), (3857, 483783), (7467, 249893), (8617, 216543), (11397, 163723), (11571, 161261), (17423, 107097), (23389, 79779), (25851, 72181), (26593, 70167), (35699, 52269)]