25331775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 49956624

約数和(自身を除く): 24624849

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 61, 75, 105, 113, 147, 175, 183, 245, 305, 339, 427, 525, 565, 735, 791, 915, 1225, 1281, 1525, 1695, 2135, 2373, 2825, 2989, 3675, 3955, 4575, 5537, 6405, 6893, 8475, 8967, 10675, 11865, 14945, 16611, 19775, 20679, 27685, 32025, 34465, 44835, 48251, 59325, 74725, 83055, 103395, 138425, 144753, 172325, 224175, 241255, 337757, 415275, 516975, 723765, 1013271, 1206275, 1688785, 3618825, 5066355, 8443925, 25331775]

約数ペア:

[(1, 25331775), (3, 8443925), (5, 5066355), (7, 3618825), (15, 1688785), (21, 1206275), (25, 1013271), (35, 723765), (49, 516975), (61, 415275), (75, 337757), (105, 241255), (113, 224175), (147, 172325), (175, 144753), (183, 138425), (245, 103395), (305, 83055), (339, 74725), (427, 59325), (525, 48251), (565, 44835), (735, 34465), (791, 32025), (915, 27685), (1225, 20679), (1281, 19775), (1525, 16611), (1695, 14945), (2135, 11865), (2373, 10675), (2825, 8967), (2989, 8475), (3675, 6893), (3955, 6405), (4575, 5537)]