161749245

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{613}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 302382720

約数和(自身を除く): 140633475

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 359, 613, 735, 1077, 1795, 1839, 2513, 3065, 4291, 5385, 7539, 9195, 12565, 12873, 17591, 21455, 30037, 37695, 52773, 64365, 87955, 90111, 150185, 220067, 263865, 450555, 660201, 1100335, 1540469, 3301005, 4621407, 7702345, 10783283, 23107035, 32349849, 53916415, 161749245]

約数ペア:

[(1, 161749245), (3, 53916415), (5, 32349849), (7, 23107035), (15, 10783283), (21, 7702345), (35, 4621407), (49, 3301005), (105, 1540469), (147, 1100335), (245, 660201), (359, 450555), (613, 263865), (735, 220067), (1077, 150185), (1795, 90111), (1839, 87955), (2513, 64365), (3065, 52773), (4291, 37695), (5385, 30037), (7539, 21455), (9195, 17591), (12565, 12873)]