409801329

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 736512000

約数和(自身を除く): 326710671

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 139, 171, 189, 399, 417, 513, 821, 973, 1197, 1251, 2463, 2641, 2919, 3591, 3753, 5747, 7389, 7923, 8757, 15599, 17241, 18487, 22167, 23769, 26271, 46797, 51723, 55461, 71307, 109193, 114119, 140391, 155169, 166383, 327579, 342357, 421173, 499149, 798833, 982737, 1027071, 2168261, 2396499, 2948211, 3081213, 6504783, 7189497, 15177827, 19514349, 21568491, 45533481, 58543047, 136600443, 409801329]

約数ペア:

[(1, 409801329), (3, 136600443), (7, 58543047), (9, 45533481), (19, 21568491), (21, 19514349), (27, 15177827), (57, 7189497), (63, 6504783), (133, 3081213), (139, 2948211), (171, 2396499), (189, 2168261), (399, 1027071), (417, 982737), (513, 798833), (821, 499149), (973, 421173), (1197, 342357), (1251, 327579), (2463, 166383), (2641, 155169), (2919, 140391), (3591, 114119), (3753, 109193), (5747, 71307), (7389, 55461), (7923, 51723), (8757, 46797), (15599, 26271), (17241, 23769), (18487, 22167)]