72964773

素因数分解:

$3^3\times 7^2\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 127005120

約数和(自身を除く): 54040347

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 131, 147, 189, 393, 421, 441, 917, 1179, 1263, 1323, 2751, 2947, 3537, 3789, 6419, 8253, 8841, 11367, 19257, 20629, 24759, 26523, 55151, 57771, 61887, 79569, 165453, 173313, 185661, 386057, 496359, 556983, 1158171, 1489077, 2702399, 3474513, 8107197, 10423539, 24321591, 72964773]

約数ペア:

[(1, 72964773), (3, 24321591), (7, 10423539), (9, 8107197), (21, 3474513), (27, 2702399), (49, 1489077), (63, 1158171), (131, 556983), (147, 496359), (189, 386057), (393, 185661), (421, 173313), (441, 165453), (917, 79569), (1179, 61887), (1263, 57771), (1323, 55151), (2751, 26523), (2947, 24759), (3537, 20629), (3789, 19257), (6419, 11367), (8253, 8841)]