72419151

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 41121969

約数列:

[1, 3, 7, 21, 47, 141, 239, 307, 329, 717, 921, 987, 1673, 2149, 5019, 6447, 11233, 14429, 33699, 43287, 73373, 78631, 101003, 220119, 235893, 303009, 513611, 1540833, 3448531, 10345593, 24139717, 72419151]

約数ペア:

[(1, 72419151), (3, 24139717), (7, 10345593), (21, 3448531), (47, 1540833), (141, 513611), (239, 303009), (307, 235893), (329, 220119), (717, 101003), (921, 78631), (987, 73373), (1673, 43287), (2149, 33699), (5019, 14429), (6447, 11233)]