81088035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 153446400

約数和(自身を除く): 72358365

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 73, 105, 149, 213, 219, 355, 365, 447, 497, 511, 745, 1043, 1065, 1095, 1491, 1533, 2235, 2485, 2555, 3129, 5183, 5215, 7455, 7665, 10579, 10877, 15549, 15645, 25915, 31737, 32631, 36281, 52895, 54385, 74053, 76139, 77745, 108843, 158685, 163155, 181405, 222159, 228417, 370265, 380695, 544215, 772267, 1110795, 1142085, 2316801, 3861335, 5405869, 11584005, 16217607, 27029345, 81088035]

約数ペア:

[(1, 81088035), (3, 27029345), (5, 16217607), (7, 11584005), (15, 5405869), (21, 3861335), (35, 2316801), (71, 1142085), (73, 1110795), (105, 772267), (149, 544215), (213, 380695), (219, 370265), (355, 228417), (365, 222159), (447, 181405), (497, 163155), (511, 158685), (745, 108843), (1043, 77745), (1065, 76139), (1095, 74053), (1491, 54385), (1533, 52895), (2235, 36281), (2485, 32631), (2555, 31737), (3129, 25915), (5183, 15645), (5215, 15549), (7455, 10877), (7665, 10579)]