25019631

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 23364369

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 599, 663, 819, 1071, 1547, 1797, 1989, 2457, 3213, 4193, 4641, 5391, 5967, 7787, 10183, 12579, 13923, 16173, 23361, 30549, 37737, 41769, 54509, 70083, 71281, 91647, 113211, 132379, 163527, 210249, 213843, 274941, 397137, 490581, 641529, 926653, 1191411, 1471743, 1924587, 2779959, 3574233, 8339877, 25019631]

約数ペア:

[(1, 25019631), (3, 8339877), (7, 3574233), (9, 2779959), (13, 1924587), (17, 1471743), (21, 1191411), (27, 926653), (39, 641529), (51, 490581), (63, 397137), (91, 274941), (117, 213843), (119, 210249), (153, 163527), (189, 132379), (221, 113211), (273, 91647), (351, 71281), (357, 70083), (459, 54509), (599, 41769), (663, 37737), (819, 30549), (1071, 23361), (1547, 16173), (1797, 13923), (1989, 12579), (2457, 10183), (3213, 7787), (4193, 5967), (4641, 5391)]