31121895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 59710464

約数和(自身を除く): 28588569

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 61, 105, 113, 129, 183, 215, 301, 305, 339, 427, 565, 645, 791, 903, 915, 1281, 1505, 1695, 2135, 2373, 2623, 3955, 4515, 4859, 6405, 6893, 7869, 11865, 13115, 14577, 18361, 20679, 24295, 34013, 34465, 39345, 48251, 55083, 72885, 91805, 102039, 103395, 144753, 170065, 241255, 275415, 296399, 510195, 723765, 889197, 1481995, 2074793, 4445985, 6224379, 10373965, 31121895]

約数ペア:

[(1, 31121895), (3, 10373965), (5, 6224379), (7, 4445985), (15, 2074793), (21, 1481995), (35, 889197), (43, 723765), (61, 510195), (105, 296399), (113, 275415), (129, 241255), (183, 170065), (215, 144753), (301, 103395), (305, 102039), (339, 91805), (427, 72885), (565, 55083), (645, 48251), (791, 39345), (903, 34465), (915, 34013), (1281, 24295), (1505, 20679), (1695, 18361), (2135, 14577), (2373, 13115), (2623, 11865), (3955, 7869), (4515, 6893), (4859, 6405)]