72749313

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 137356800

約数和(自身を除く): 64607487

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 63, 87, 91, 117, 189, 203, 261, 273, 351, 377, 609, 783, 819, 1021, 1131, 1827, 2457, 2639, 3063, 3393, 5481, 7147, 7917, 9189, 10179, 13273, 21441, 23751, 27567, 29609, 39819, 64323, 71253, 88827, 92911, 119457, 192969, 207263, 266481, 278733, 358371, 384917, 621789, 799443, 836199, 1154751, 1865367, 2508597, 2694419, 3464253, 5596101, 8083257, 10392759, 24249771, 72749313]

約数ペア:

[(1, 72749313), (3, 24249771), (7, 10392759), (9, 8083257), (13, 5596101), (21, 3464253), (27, 2694419), (29, 2508597), (39, 1865367), (63, 1154751), (87, 836199), (91, 799443), (117, 621789), (189, 384917), (203, 358371), (261, 278733), (273, 266481), (351, 207263), (377, 192969), (609, 119457), (783, 92911), (819, 88827), (1021, 71253), (1131, 64323), (1827, 39819), (2457, 29609), (2639, 27567), (3063, 23751), (3393, 21441), (5481, 13273), (7147, 10179), (7917, 9189)]