140401905

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 271296000

約数和(自身を除く): 130894095

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 343, 435, 609, 735, 941, 1015, 1029, 1421, 1715, 2823, 3045, 4263, 4705, 5145, 6587, 7105, 9947, 14115, 19761, 21315, 27289, 29841, 32935, 46109, 49735, 81867, 98805, 136445, 138327, 149205, 191023, 230545, 322763, 409335, 573069, 691635, 955115, 968289, 1337161, 1613815, 2865345, 4011483, 4841445, 6685805, 9360127, 20057415, 28080381, 46800635, 140401905]

約数ペア:

[(1, 140401905), (3, 46800635), (5, 28080381), (7, 20057415), (15, 9360127), (21, 6685805), (29, 4841445), (35, 4011483), (49, 2865345), (87, 1613815), (105, 1337161), (145, 968289), (147, 955115), (203, 691635), (245, 573069), (343, 409335), (435, 322763), (609, 230545), (735, 191023), (941, 149205), (1015, 138327), (1029, 136445), (1421, 98805), (1715, 81867), (2823, 49735), (3045, 46109), (4263, 32935), (4705, 29841), (5145, 27289), (6587, 21315), (7105, 19761), (9947, 14115)]